/**
 * @param {number[]} nums
 * @return {void} Do not return anything, modify nums in-place instead.
 */
var moveZeroes = function (nums) {
    let j = 0
    for (let i = 0; i < nums.length; i++) {
        if (nums[i] !== 0) {
            let temp = nums[i]
            nums[i] = nums[j]
            nums[j++] = temp
        }
        
    }
    return nums
};

let nums = [0, 1, 0, 3, 12]
console.log(moveZeroes(nums));